2 Unix SMB/CIFS implementation.
6 Copyright (C) Andrew Tridgell 2005
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 #include "dlinklist.h"
25 #include "nbt_server/nbt_server.h"
26 #include "smbd/service_task.h"
27 #include "lib/socket/socket.h"
30 a list of mailslots that we have static handlers for
33 const char *mailslot_name;
34 dgram_mailslot_handler_t handler;
35 } mailslot_handlers[] = {
36 { NBT_MAILSLOT_NETLOGON, nbtd_mailslot_netlogon_handler },
37 { NBT_MAILSLOT_NTLOGON, nbtd_mailslot_ntlogon_handler },
38 { NBT_MAILSLOT_BROWSE, nbtd_mailslot_browse_handler }
42 receive an incoming dgram request. This is used for general datagram
43 requests. Mailslot requests for our listening mailslots
44 are handled in the specific mailslot handlers
46 void dgram_request_handler(struct nbt_dgram_socket *dgmsock,
47 struct nbt_dgram_packet *packet,
48 const struct nbt_peer_socket *src)
50 DEBUG(0,("General datagram request from %s:%d\n", src->addr, src->port));
51 NDR_PRINT_DEBUG(nbt_dgram_packet, packet);
56 setup the port 138 datagram listener for a given interface
58 NTSTATUS nbtd_dgram_setup(struct nbtd_interface *iface, const char *bind_address)
60 struct nbt_dgram_socket *bcast_dgmsock;
61 struct nbtd_server *nbtsrv = iface->nbtsrv;
63 /* the list of mailslots that we are interested in */
66 /* listen for broadcasts on port 138 */
67 bcast_dgmsock = nbt_dgram_socket_init(iface, nbtsrv->task->event_ctx);
68 NT_STATUS_HAVE_NO_MEMORY(bcast_dgmsock);
70 status = socket_listen(bcast_dgmsock->sock, iface->bcast_address,
71 lp_dgram_port(), 0, 0);
72 if (!NT_STATUS_IS_OK(status)) {
73 DEBUG(0,("Failed to bind to %s:%d - %s\n",
74 iface->bcast_address, lp_dgram_port(), nt_errstr(status)));
78 dgram_set_incoming_handler(bcast_dgmsock, dgram_request_handler, iface);
80 /* listen for unicasts on port 138 */
81 iface->dgmsock = nbt_dgram_socket_init(iface, nbtsrv->task->event_ctx);
82 NT_STATUS_HAVE_NO_MEMORY(iface->dgmsock);
84 status = socket_listen(iface->dgmsock->sock, bind_address,
85 lp_dgram_port(), 0, 0);
86 if (!NT_STATUS_IS_OK(status)) {
87 DEBUG(0,("Failed to bind to %s:%d - %s\n",
88 bind_address, lp_dgram_port(), nt_errstr(status)));
91 dgram_set_incoming_handler(iface->dgmsock, dgram_request_handler, iface);
94 for (i=0;i<ARRAY_SIZE(mailslot_handlers);i++) {
95 /* note that we don't need to keep the pointer
96 to the dgmslot around - the callback is all
98 struct dgram_mailslot_handler *dgmslot;
100 dgmslot = dgram_mailslot_listen(bcast_dgmsock,
101 mailslot_handlers[i].mailslot_name,
102 mailslot_handlers[i].handler, iface);
103 NT_STATUS_HAVE_NO_MEMORY(dgmslot);
105 dgmslot = dgram_mailslot_listen(iface->dgmsock,
106 mailslot_handlers[i].mailslot_name,
107 mailslot_handlers[i].handler, iface);
108 NT_STATUS_HAVE_NO_MEMORY(dgmslot);